Home / 1,276,256.54-1,761,245.88-703,317.26

Finding the Fourth Proportional to 1,276,256.54, 1,761,245.88 and 703,317.26

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Solution

The fourth proportional to 1,276,256.54, 1,761,245.88 and 703,317.26 is: 970,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,256.54 : 1,761,245.88 = 703,317.26 : x
  2. Step 2: Convert to fraction form
    1,276,256.54/1,761,245.88 = 703,317.26/x
  3. Step 3: Cross multiply
    1,276,256.54x = 1,761,245.88 × 703,317.26
  4. Step 4: Simplify right side
    1,276,256.54x = 1,238,714,626,507.89
  5. Step 5: Solve for x
    x = 1,238,714,626,507.89/1,276,256.54
  6. Step 6: Final answer
    x = 970,584.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.